OpenTechnical

OT-2026-000043551

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000043551) never changes.

Identity and time

Publication numberOT-2026-000043551 · never reused
Internal UUID01a0ae7b-92cf-77e8-885a-36812ba09247 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043551
StatusPUBLIC

Content hashes

Canonical text44cd011606fd1fad7b8ddcc3420b1bf3e9d981b7f4988f49cddafc0b6d53e94a
Markdown78617b34ce6df7b42abe221a0913a65a2910b1067e5dd389edafbe8abb3905d4
PDF
Publication page032acec4623f0ebbc849c3a3f94db52a802c04ced9327f724029005e47b91790
Manifest0332dfd14aafc0c9020129b27fe1eeef2ad499e1ea67786f14c2cca7af1d15c6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureqh7xYR/XHZgiYYI16ppC+oUjmNratFB0W5t5MVskMpo2rXV4C7fF/4AIbtZnfKhfyxelinXt60SZSysmH9uqCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:56.387854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043551
observed 032acec4623f0ebbc849c3a3f94db52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.368532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043551/manifest.json
observed 0332dfd14aafc0c9020129b27fe1eeef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.349456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043551/publication.md
observed 78617b34ce6df7b42abe221a0913a65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.327217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043551/publication.txt
observed 44cd011606fd1fad7b8ddcc3420b1bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.